[ 10.848407][ T179] PPP generic driver version 2.4.2 [ 10.848423][ T179] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.848425][ T179] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 179, name: modprobe [ 10.848427][ T179] preempt_count: 1, expected: 0 [ 10.848428][ T179] RCU nest depth: 0, expected: 0 [ 10.848428][ T179] locks held by modprobe/179: 4, last CPU#3: [ 10.848431][ T179] #0: ffffffffbbf79cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.848443][ T179] #1: ffffffffbbf79d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.848447][ T179] #2: ffffffffbbe99660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.848451][ T179] #3: ffffffffbbe99560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.848455][ T179] irq event stamp: 39386 [ 10.848456][ T179] hardirqs last enabled at (39385): [] __down_trylock_console_sem+0x86/0xa0 [ 10.848458][ T179] hardirqs last disabled at (39386): [] console_emit_next_record+0x3d4/0x4c0 [ 10.848460][ T179] softirqs last enabled at (38072): [] handle_softirqs+0x67c/0x900 [ 10.848463][ T179] softirqs last disabled at (38063): [] __irq_exit_rcu+0x145/0x1c0 [ 10.848466][ T179] Preemption disabled at: [ 10.848466][ T179] [] vprintk_emit+0x31b/0x3e0 [ 10.848472][ T179] CPU: 3 UID: 0 PID: 179 Comm: modprobe Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.848475][ T179] Tainted: [W]=WARN [ 10.848476][ T179] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.848478][ T179] Call Trace: [ 10.848480][ T179] [ 10.848481][ T179] dump_stack_lvl+0x6f/0xa0 [ 10.848487][ T179] ? vprintk_emit+0x31b/0x3e0 [ 10.848489][ T179] __might_resched.cold+0x1fe/0x2c1 [ 10.848493][ T179] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.848498][ T179] ? __kmalloc_noprof+0xdb/0x760 [ 10.848503][ T179] __kmalloc_noprof+0x443/0x760 [ 10.848505][ T179] ? alloc_buf.isra.0+0x4b/0x260 [ 10.848511][ T179] ? do_raw_spin_unlock+0x59/0x250 [ 10.848514][ T179] alloc_buf.isra.0+0x4b/0x260 [ 10.848517][ T179] put_chars+0x1e1/0x2f0 [ 10.848520][ T179] ? __send_to_port+0x420/0x420 [ 10.848522][ T179] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.848527][ T179] ? rcu_read_lock_any_held+0x3c/0x90 [ 10.848529][ T179] ? validate_chain+0x38b/0xc20 [ 10.848533][ T179] hvc_console_print+0x292/0x780 [ 10.848536][ T179] ? __lock_acquire+0x518/0xc20 [ 10.848541][ T179] ? hvc_write+0x3a0/0x3a0 [ 10.848544][ T179] ? rcu_is_watching+0x16/0xd0 [ 10.848549][ T179] console_emit_next_record+0x22f/0x4c0 [ 10.848553][ T179] ? devkmsg_read+0x4b0/0x4b0 [ 10.848555][ T179] ? console_flush_one_record+0x106/0x710 [ 10.848558][ T179] ? rcu_is_watching+0x16/0xd0 [ 10.848560][ T179] ? lock_acquire+0x13c/0x160 [ 10.848564][ T179] console_flush_one_record+0x46f/0x710 [ 10.848568][ T179] ? console_emit_next_record+0x4c0/0x4c0 [ 10.848570][ T179] ? __lock_acquire+0x518/0xc20 [ 10.848575][ T179] console_unlock+0xee/0x1f0 [ 10.848578][ T179] ? console_flush_one_record+0x710/0x710 [ 10.848580][ T179] ? rcu_is_watching+0x16/0xd0 [ 10.848582][ T179] ? lock_acquire+0x60/0x160 [ 10.848586][ T179] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.848587][ T179] ? vprintk_emit+0x320/0x3e0 [ 10.848591][ T179] vprintk_emit+0x37c/0x3e0 [ 10.848595][ T179] ? wake_up_klogd_work_func+0x90/0x90 [ 10.848600][ T179] ? ppp_cleanup+0x920/0x920 [ppp_generic] [ 10.848604][ T179] _printk+0xc7/0x100 [ 10.848607][ T179] ? snapshot_read.cold+0x21/0x21 [ 10.848613][ T179] ? do_one_initcall+0x113/0x4f0 [ 10.848617][ T179] ppp_init+0x16/0x1000 [ppp_generic] [ 10.848620][ T179] do_one_initcall+0x124/0x4f0 [ 10.848623][ T179] ? trace_event_raw_event_initcall_level+0x280/0x280 [ 10.848627][ T179] ? do_init_module+0xae/0x8a0 [ 10.848630][ T179] ? kasan_unpoison+0x44/0x70 [ 10.848635][ T179] do_init_module+0x2ad/0x8a0 [ 10.848639][ T179] ? lockdep_hardirqs_on+0x91/0x130 [ 10.848643][ T179] ? free_module+0x470/0x470 [ 10.848646][ T179] ? kfree+0x123/0x590 [ 10.848650][ T179] load_module+0x1424/0x1bb0 [ 10.848657][ T179] ? layout_and_allocate.isra.0+0x680/0x680 [ 10.848662][ T179] ? backing_file_read_iter+0x541/0x790 [ 10.848666][ T179] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.848670][ T179] init_module_from_file+0x11f/0x1a0 [ 10.848673][ T179] ? __do_sys_init_module+0x220/0x220 [ 10.848681][ T179] ? __rwlock_init+0x150/0x150 [ 10.848685][ T179] ? do_raw_spin_unlock+0x59/0x250 [ 10.848688][ T179] idempotent_init_module+0x37b/0x7c0 [ 10.848691][ T179] ? init_module_from_file+0x1a0/0x1a0 [ 10.848697][ T179] ? rcu_is_watching+0x16/0xd0 [ 10.848700][ T179] ? cap_capable+0x1d7/0x3d0 [ 10.848706][ T179] __x64_sys_finit_module+0xdf/0x190 [ 10.848709][ T179] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 10.848712][ T179] do_syscall_64+0xff/0x530 [ 10.848715][ T179] ? exc_page_fault+0xee/0x100 [ 10.848717][ T179] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.848720][ T179] RIP: 0033:0x7fb367a7237d [ 10.848723][ T179] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 [ 10.848725][ T179] RSP: 002b:00007ffd2e33c0f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 10.848728][ T179] RAX: ffffffffffffffda RBX: 00005558ac018d10 RCX: 00007fb367a7237d [ 10.848729][ T179] RDX: 0000000000000000 RSI: 0000555899d35ffd RDI: 0000000000000006 [ 10.848730][ T179] RBP: 00007ffd2e33c190 R08: 0000000000000000 R09: 0000000000000000 [ 10.848731][ T179] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555899d35ffd [ 10.848731][ T179] R13: 00005558ac018cc0 R14: 0000000000040000 R15: 0000000000000000 [ 10.848738][ T179] [ 10.896856][ T179] NET: Registered PF_PPPOX protocol family [ 19.061514][ T239] iperf3 (239) used greatest stack depth: 23056 bytes left [ 19.061538][ T239] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 19.061541][ T239] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 239, name: iperf3 [ 19.061543][ T239] preempt_count: 2, expected: 0 [ 19.061545][ T239] RCU nest depth: 0, expected: 0 [ 19.061546][ T239] locks held by iperf3/239: 5, last CPU#3: [ 19.061549][ T239] #0: ffffffffbbe127b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 19.061563][ T239] #1: ffffffffbbf79cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 19.061571][ T239] #2: ffffffffbbf79d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 19.061576][ T239] #3: ffffffffbbe99660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 19.061582][ T239] #4: ffffffffbbe99560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 19.061588][ T239] irq event stamp: 1406762 [ 19.061590][ T239] hardirqs last enabled at (1406761): [] __down_trylock_console_sem+0x86/0xa0 [ 19.061593][ T239] hardirqs last disabled at (1406762): [] console_emit_next_record+0x3d4/0x4c0 [ 19.061596][ T239] softirqs last enabled at (1406590): [] handle_softirqs+0x67c/0x900 [ 19.061599][ T239] softirqs last disabled at (1406585): [] __irq_exit_rcu+0x145/0x1c0 [ 19.061603][ T239] Preemption disabled at: [ 19.061604][ T239] [<0000000000000000>] 0x0 [ 19.061613][ T239] CPU: 3 UID: 0 PID: 239 Comm: iperf3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 19.061617][ T239] Tainted: [W]=WARN [ 19.061618][ T239] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.061621][ T239] Call Trace: [ 19.061623][ T239] [ 19.061625][ T239] dump_stack_lvl+0x6f/0xa0 [ 19.061633][ T239] __might_resched.cold+0x1fe/0x2c1 [ 19.061640][ T239] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 19.061645][ T239] ? __kmalloc_noprof+0xdb/0x760 [ 19.061652][ T239] __kmalloc_noprof+0x443/0x760 [ 19.061656][ T239] ? alloc_buf.isra.0+0x4b/0x260 [ 19.061665][ T239] ? do_raw_spin_unlock+0x59/0x250 [ 19.061668][ T239] alloc_buf.isra.0+0x4b/0x260 [ 19.061673][ T239] put_chars+0x1e1/0x2f0 [ 19.061677][ T239] ? prb_final_commit+0x50/0x50 [ 19.061680][ T239] ? __send_to_port+0x420/0x420 [ 19.061686][ T239] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 19.061691][ T239] ? rcu_read_lock_any_held+0x3c/0x90 [ 19.061695][ T239] ? validate_chain+0x38b/0xc20 [ 19.061701][ T239] hvc_console_print+0x292/0x780 [ 19.061705][ T239] ? mark_usage+0x61/0x170 [ 19.061708][ T239] ? __lock_acquire+0x518/0xc20 [ 19.061711][ T239] ? __lock_acquire+0x518/0xc20 [ 19.061717][ T239] ? hvc_write+0x3a0/0x3a0 [ 19.061721][ T239] ? console_emit_next_record+0x1df/0x4c0 [ 19.061726][ T239] ? rcu_is_watching+0x16/0xd0 [ 19.061730][ T239] ? lock_acquire+0x13c/0x160 [ 19.061736][ T239] console_emit_next_record+0x22f/0x4c0 [ 19.061742][ T239] ? devkmsg_read+0x4b0/0x4b0 [ 19.061745][ T239] ? console_flush_one_record+0x106/0x710 [ 19.061750][ T239] ? rcu_is_watching+0x16/0xd0 [ 19.061754][ T239] ? lock_acquire+0x13c/0x160 [ 19.061761][ T239] console_flush_one_record+0x46f/0x710 [ 19.061768][ T239] ? console_emit_next_record+0x4c0/0x4c0 [ 19.061770][ T239] ? __lock_acquire+0x518/0xc20 [ 19.061779][ T239] console_unlock+0xee/0x1f0 [ 19.061783][ T239] ? console_flush_one_record+0x710/0x710 [ 19.061786][ T239] ? rcu_is_watching+0x16/0xd0 [ 19.061790][ T239] ? lock_acquire+0x60/0x160 [ 19.061796][ T239] ? __down_trylock_console_sem+0x5e/0xa0 [ 19.061798][ T239] ? vprintk_emit+0x320/0x3e0 [ 19.061804][ T239] vprintk_emit+0x37c/0x3e0 [ 19.061810][ T239] ? wake_up_klogd_work_func+0x90/0x90 [ 19.061815][ T239] ? __lock_acquire+0x518/0xc20 [ 19.061821][ T239] _printk+0xc7/0x100 [ 19.061826][ T239] ? snapshot_read.cold+0x21/0x21 [ 19.061831][ T239] ? do_raw_spin_lock+0x131/0x280 [ 19.061835][ T239] ? __rwlock_init+0x150/0x150 [ 19.061841][ T239] ? do_raw_spin_lock+0x131/0x280 [ 19.061845][ T239] do_exit.cold+0x82/0x9c [ 19.061851][ T239] ? exit_notify+0x890/0x890 [ 19.061860][ T239] __x64_sys_exit+0x42/0x50 [ 19.061863][ T239] x64_sys_call+0x156c/0x1570 [ 19.061867][ T239] do_syscall_64+0xff/0x530 [ 19.061871][ T239] ? exc_page_fault+0xee/0x100 [ 19.061876][ T239] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 19.061879][ T239] RIP: 0033:0x7f3090c4ec49 [ 19.061883][ T239] Code: Unable to access opcode bytes at 0x7f3090c4ec1f. [ 19.061885][ T239] RSP: 002b:00007f309040de60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 19.061888][ T239] RAX: ffffffffffffffda RBX: 00007f309040e6c0 RCX: 00007f3090c4ec49 [ 19.061890][ T239] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 19.061892][ T239] RBP: 00007f309040df70 R08: 0000000000000001 R09: 00007f309040e6c0 [ 19.061893][ T239] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f308fc0e000 [ 19.061894][ T239] R13: 00007ffd1b34a760 R14: 0000000000000002 R15: 00007ffd1b34a867 [ 19.061907][ T239]